Global Patent Index - EP 1032600 A1

EP 1032600 A1 2000-09-06 - PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS

Title (en)

PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS

Title (de)

PREPOLYMERISIERTE KATALYSATORKOMPONENTE FÜR DIE POLYMERISIERUNG VON OLEFINE

Title (fr)

COMPOSANTS PREPOLYMERISES DE CATALYSEURS POUR LA POLYMERISATION D'OLEFINES

Publication

EP 1032600 A1 (EN)

Application

EP 99942800 A

Priority

  • EP 9905356 W
  • IT MI981823 A

Abstract (en)

[origin: WO0008065A2] Components of catalysts for the polymerization of olefins are ob tained by contacting a Ti compound of formula Ti(OR)n-yXy, where n is the valence of titanium and y is a number between 1 and n, with a pre-polymer having a porosity higher than 0.3 cc/g and containing from 0.5 to 100 g of polymer per g of solid catalyst component, the pre-polymer being obtained by (co)polymerizing an olefin or a diolefin in the presence of a catalyst comprising a Ti, V, Zr of Hf compound supported on an Mg dihalide having a mean crystallite dimension lower than 30 nm.

IPC 1-7 (main, further and additional classification)

C08F 4/64; C08F 10/00

IPC 8 full level (invention and additional information)

C08F 4/651 (2006.01); C08F 4/64 (2006.01); C08F 4/642 (2006.01); C08F 4/6592 (2006.01); C08F 10/00 (2006.01)

CPC (invention and additional information)

C08F 10/00 (2013.01); Y10S 526/904 (2013.01); Y10S 526/908 (2013.01); Y10S 526/943 (2013.01)

Combination set (CPC)

  1. C08F 10/00 + C08F 4/6492
  2. C08F 10/00 + C08F 4/651

Citation (search report)

See references of WO 0008065A3

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 0008065 A2 20000217; WO 0008065 A3 20000511; AU 5619199 A 20000228; BR 9915468 A 20020528; CA 2305692 A1 20000217; CN 1140538 C 20040303; CN 1287560 A 20010314; DE 69903399 D1 20021114; DE 69903399 T2 20031009; EP 1032600 A1 20000906; EP 1032600 B1 20021009; ES 2183599 T3 20030316; HU 0004255 A2 20010328; HU 0004255 A3 20030328; IL 135277 D0 20010520; IT 1301990 B1 20000720; IT MI981823 A1 20000203; IT MI981823 D0 19980803; JP 2002522571 A 20020723; US 2003050185 A1 20030313; US 6451726 B1 20020917; US 6797794 B2 20040928; ZA 200001965 B 20001022

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